github action installs suitesparse (thanks Claude)

Author: yig

.github/workflows/python-package.yml

@@ -11,7 +11,6 @@ on:
 
 jobs:
   build:
-
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false
@@ -21,13 +20,49 @@ jobs:
 
     steps:
     - uses: actions/checkout@v5
-    - name: Set up Python ${{ matrix.python-version }}
+
+    - name: Install SuiteSparse (Ubuntu)
+      if: runner.os == 'Linux'
+      run: sudo apt-get update && sudo apt-get install -y libsuitesparse-dev
+
+    - name: Install SuiteSparse (macOS)
+      if: runner.os == 'macOS'
+      run: brew install suite-sparse
+
+    - name: Set up Python ${{ matrix.python-version }} (non-Windows)
+      if: runner.os != 'Windows'
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install .[test]
-    - name: Test with pytest
-      run: |
-        pytest
+
+    - name: Set up conda with Python and SuiteSparse (Windows)
+      if: runner.os == 'Windows'
+      uses: conda-incubator/setup-miniconda@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+        auto-activate-base: false
+        activate-environment: test-env
+        channels: conda-forge
+
+    - name: Install SuiteSparse via conda (Windows)
+      if: runner.os == 'Windows'
+      shell: bash -el {0}
+      run: conda install -c conda-forge suitesparse --yes
+
+    - name: Install dependencies (non-Windows)
+      if: runner.os != 'Windows'
+      run: python -m pip install .[test]
+
+    - name: Install dependencies (Windows)
+      if: runner.os == 'Windows'
+      shell: bash -el {0}
+      run: python -m pip install .[test]
+
+    - name: Test with pytest (non-Windows)
+      if: runner.os != 'Windows'
+      run: pytest
+
+    - name: Test with pytest (Windows)
+      if: runner.os == 'Windows'
+      shell: bash -el {0}
+      run: pytest